The Deceit

From the back cover:

When a renowned historian is found dead in a cave in the Sahara, his former student Ryan Harper vows to find out what happened. Rumor suggests he'd uncovered a priceless religious text, obsessively hidden for centuries by a network of holy men.

Meanwhile, on Cornwall's remote western moorlands disturbing rituals are taking place - rituals that appear to have Egyptian connections. Working the case, DI Karen Trevithick is caught up in a dangerous mystery that will threaten the person she loves most.

With the help of filmmaker Helen Fassbinder, Ryan finds himself in a race against time to decipher the ancient text. Pursued across Egypt by those who would use its secrets to devastating effect, Ryan draws closer to an unspeakable truth. A truth that will expose the most shocking detail the world has ever known...